Usage Tips:For Intex 1500, 2500 and 4000 GPH Saltwater Chlorinators, Intex Saltwater Chlorinators and Intex 2000 GPH Chlorinator Pumps. Maintenance Efficiency: By isolating sections of the pool system, the shutoff valve allows for easier cleaning or replacement of parts without interrupting operation of the entire pool. For Intex, Bestway and Coleman above ground pools. For use with 1-1/2" diameter hoses and 2-1/2" threaded fittings. Pool Pump Replacement Parts Quick and Easy Installation: Designed for easy installation with above ground pools and accessories, this pool control valve reduces the time and effort required to integrate them into your pool setup. Suitable for above ground pools with inlet nozzle/outlet strainer of your pool Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.